VM-101M-VHF Mobile Antennas SUPER STRONG MANETIC BASE Features: FREQUENCY : 136 - 512 MHz GAIN : 3.0 dBd V.S.W.R. ≦1.5 IMPEDANCE : 50 OHM POWER CAPACITY : 200W (MAX.) 29φmm MINI. MAG. MOUNT; 9FT RG-174/U COAXIAL CABLE+ BNC PLUG ( or SMA PLUG ) LENGTH : 54.5cm